


<head>
	<link href="./css/bootstrap.css" rel="stylesheet">
</head>

<body>
	<ul>
		<li>a</li>
		<li>b</li>
		<li>c</li>
		<li>d</li>
		<li>e</li>
	</ul>
	<script src="./js/jquery.min.js"></script>
	<script src="./js/bootstrap.js"></script>
	
</body>

<script type="text/javascript">
	$(function(){
		$("li:first-child").css("color", "blue");
		$("li:last-child").css("color", "red");
		$("li:nth-child(3)").css("color", "yellow");
		$("li:nth-child(2n)").css("color", "orange");
	})
</script>
	

